Silence some -Wundef warnings
config.h:53:7: warning 'FOR_DYLD' is not defined, evaluates to 0 [-Wundef]
Unwind_AppleExtras.cpp:44:5: warning '__arm__' is not defined, evaluates to 0 [-Wundef]
Unwind_AppleExtras.cpp:60:7: warning '__arm64__' is not defined, evaluates to 0 [-Wundef]
Unwind_AppleExtras.cpp:186:6: warning 'FOR_DYLD' is not defined, evaluates to 0 [-Wundef]
Use defined(macro) which should be equivalent in these cases, silencing -Wundef
warnings. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@228358 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed
